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Home report
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23 Mermaid Avenue Maroubra NSW 2035
BASIX certificate and NatHERS rating
This home has a NatHERS rating of 5.3 stars out of 10. Its BASIX certificate commits it to 3 kW of solar panels and a 6,000 litre rainwater tank. Its NatHERS certificate lists insulation in the external walls, ceiling and floor. It beat its BASIX energy target, scoring 59 against 50.
Key features
- Windows
- 23 windows and glazed doors: Aluminium A SG High Solar Gain Low-E; Aluminium B SG High Solar Gain Low-E
- Wall insulation
- R2.5
- Roof and ceiling insulation
- Ceiling R4, roof Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
- Hot water
- Gas instantaneous with a performance of 5 stars
- Air conditioning and heating
- 3-phase airconditioning (living area and bedroom)
BASIX certificate
- Energy score
- 59 (target 50)
- Water score
- 40 (target 40)
- Thermal performance
- Pass
- Heating load
- 38 MJ/m² a year
- Cooling load
- 24 MJ/m² a year
- Bedrooms
- 4
- Conditioned floor area
- 569 m²
- Unconditioned floor area
- 9 m²
- Site area
- 689 m²
- Roof area
- 258 m²
- Garden area
- 250 m²
- Climate zone
- NatHERS climate zone 56
- Hot water
- Gas instantaneous with a performance of 5 stars
- Solar panels
- 3 kW
- Rainwater tank
- 6,000 litres
- Fixtures
- Showerheads 3 star, toilets 4 star, kitchen taps 5 star, basin taps 5 star
- LED lighting
- Yes
- Cooktop
- Gas
- Clothes line
- Yes
Heating
- Living area: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
- Bedroom: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
Cooling
- Living area: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
- Bedroom: 3-phase airconditioning; Energy rating: EER 2.5 - 3.0
Certificate 1285856S_02, issued 8 July 2022, from the council's DA documents.
NatHERS certificate
- Star rating
- 5.3 stars
- Rated with
- BERS Pro v4.4.1.5 (3.21)
- Rated on
- 04 Mar 2022
- Wall insulation
- R2.5
- Ceiling insulation
- R4
- Floor insulation
- R2.5
- LED downlights
- 156
- Living room glazing by direction
- NE 72.5 m², SE 17.5 m², NW 17.9 m²
- All glazing by direction
- NE 141.3 m², SE 54.5 m², SW 8.1 m², NW 35.9 m²
Roof
- Waterproofing Membrane No Insulation, Only an Air Gap, medium colour
Window types
- ALM-001-03 A Aluminium A SG High Solar Gain Low-E: U-value 5.4, SHGC 0.49
- ALM-002-03 A Aluminium B SG High Solar Gain Low-E: U-value 5.4, SHGC 0.58
Window schedule
- Stairs/Hall-FF, window ALM-001-03 A: 3,300 × 1,200 mm facing SE
- Stairs/Hall-FF, window ALM-002-03 A: 3,300 × 720 mm facing SE
- Hwy-FF, window ALM-001-03 A: 3,300 × 1,200 mm facing NW
- Hwy-FF, window ALM-002-03 A: 3,300 × 720 mm facing NW
- Bed 3-FF, window ALM-002-03 A: 2,680 × 4,100 mm facing NE
- Bed 3-FF, window ALM-002-03 A: 2,680 × 1,500 mm facing SE
- Bed 2-FF, window ALM-002-03 A: 2,680 × 4,200 mm facing NE
- Bed 1-FF, window ALM-002-03 A: 2,680 × 1,500 mm facing NW
- Bed 1-FF, window ALM-002-03 A: 2,680 × 4,100 mm facing NE
- Ktch/Liv/Din, window ALM-002-03 A: 2,000 × 5,300 mm facing NW
- Ktch/Liv/Din, window ALM-002-03 A: 3,000 × 6,250 mm facing NE
- Ktch/Liv/Din, window ALM-002-03 A: 3,000 × 6,250 mm facing NE
- Ktch/Liv/Din, window ALM-002-03 A: 2,000 × 8,750 mm facing SE
- Master-TF, window ALM-002-03 A: 2,870 × 2,650 mm facing NW
- Master-TF, window ALM-002-03 A: 2,870 × 6,600 mm facing NE
- Ens/Master-TF, window ALM-002-03 A: 2,870 × 5,800 mm facing NE
- Stairs-TF, window ALM-002-03 A: 2,870 × 4,700 mm facing SE
- Bath-FoF, window ALM-002-03 A: 1,800 × 1,400 mm facing SW
- Bar-FoF, window ALM-002-03 A: 2,800 × 2,000 mm facing SW
- Lounge/St-FoF, window ALM-002-03 A: 2,800 × 2,600 mm facing NW
- Lounge/St-FoF, window ALM-002-03 A: 2,800 × 6,250 mm facing NE
- Lounge/St-FoF, window ALM-002-03 A: 2,800 × 6,250 mm facing NE
- Lift-FoF, window ALM-002-03 A: 2,800 × 4,700 mm facing SE
Certificate 0007098908, issued 4 March 2022, from the council's DA documents. Verify this certificate
Other certificates for this address
BASIX certificate (alterations and additions), certificate A1758730_02, issued 4 December 2024
BASIX certificate (alterations and additions)
This BASIX certificate is for alterations and additions, such as an extension or a pool, rather than a whole new house.
- LED lighting
- Yes
Construction and insulation
- Suspended floor with open subfloor: concrete (R0.6). R0.9 (down) (or R1.50 including construction) N/A
- Floor above existing dwelling or building (no added insulation)
- External wall: framed (weatherboard, fibro, metal clad) R1.30 (or R1.70 including construction)
- Raked ceiling, pitched/skillion roof: framed ceiling: R0.50 (up), roof: foil backed blanket (100 mm) light (solar absorptance < 0.475)
Certificate A1758730_02, issued 4 December 2024, from the council's DA documents.
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